package ServletDemo2;


import entity.Admin;
import util.GokJDBCUtil;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;


/**
 * Servlet implementation class LoginServlet
 */
@WebServlet("/LoginServlet")
public class LoginServlet extends HttpServlet {

    private static final long serialVersionUID = 1L;

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        String name = request.getParameter("name");
        String pd = request.getParameter("pd");


        Admin admin = GokJDBCUtil.queryForObject("select * from admin where name=? and pd=?", Admin.class, name, pd);

        if (admin != null) {
            HttpSession session = request.getSession();
            ((HttpSession) session).setAttribute("name", name);
//            request.getRequestDispatcher("StudentList").forward(request, response);
            request.getRequestDispatcher("welcome.jsp").forward(request, response);
        } else {
            request.setAttribute("msg", "用户密码错误!");
            request.getRequestDispatcher("login.jsp").forward(request, response);
        }

    }

    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        doGet(request, response);
    }
}